diff options
Diffstat (limited to 'fs/squashfs/lzo_wrapper.c')
-rw-r--r-- | fs/squashfs/lzo_wrapper.c | 24 |
1 files changed, 5 insertions, 19 deletions
diff --git a/fs/squashfs/lzo_wrapper.c b/fs/squashfs/lzo_wrapper.c index 00f4dfc..75c3b57 100644 --- a/fs/squashfs/lzo_wrapper.c +++ b/fs/squashfs/lzo_wrapper.c @@ -37,7 +37,7 @@ struct squashfs_lzo { void *output; }; -static void *lzo_init(struct squashfs_sb_info *msblk, void *buff, int len) +static void *lzo_init(struct squashfs_sb_info *msblk, void *buff) { int block_size = max_t(int, msblk->block_size, SQUASHFS_METADATA_SIZE); @@ -74,22 +74,16 @@ static void lzo_free(void *strm) } -static int lzo_uncompress(struct squashfs_sb_info *msblk, void **buffer, - struct buffer_head **bh, int b, int offset, int length, int srclength, - int pages) +static int lzo_uncompress(struct squashfs_sb_info *msblk, void *strm, + void **buffer, struct buffer_head **bh, int b, int offset, int length, + int srclength, int pages) { - struct squashfs_lzo *stream = msblk->stream; + struct squashfs_lzo *stream = strm; void *buff = stream->input; int avail, i, bytes = length, res; size_t out_len = srclength; - mutex_lock(&msblk->read_data_mutex); - for (i = 0; i < b; i++) { - wait_on_buffer(bh[i]); - if (!buffer_uptodate(bh[i])) - goto block_release; - avail = min(bytes, msblk->devblksize - offset); memcpy(buff, bh[i]->b_data + offset, avail); buff += avail; @@ -111,17 +105,9 @@ static int lzo_uncompress(struct squashfs_sb_info *msblk, void **buffer, bytes -= avail; } - mutex_unlock(&msblk->read_data_mutex); return res; -block_release: - for (; i < b; i++) - put_bh(bh[i]); - failed: - mutex_unlock(&msblk->read_data_mutex); - - ERROR("lzo decompression failed, data probably corrupt\n"); return -EIO; } |